Brake-beam.



PATENTS-B MAR. 12, 190?.

.13. D. BRUNNER.

BRAKE BEAM. APPLIOLTION FILED HAY 21, 190B.

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Witnesses MZaM 0., WASHINGTON. 12k

rm: NORRIS PETERS c may/1156; I PATENTED MAR. 12,1907.- E. n. BRONNER.

BRAKE-BEAM.

APPLICATION run In 21, 1900.

v 2 EKEETB-BKBET 8.-

Witnesses inventor:

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UNITED STATES PATENT oFFroE.

EDMOND D. BRONNER, DETROIT, MICHIGAN, ASSIGNOR TO CHICAGO RAILWAYEQUIPMENT COMPANY, OF CHICAGO, ILLINOIS, A CORPORA- TION OF ILLINOIS.

BRAKE-BEAM.

Specification of Letters Patent.

Patented March 12, 1907.

To all whom it may concern:

Be it known that I, EDMOND D. BRONNER, a citizen of the United States,residing at Detroit, Michigan, have invented a certain new and usefulImprovement in Brake-Beams, of which the following is a full, clear, andexact description, such as will enable others skilled in the art towhich it appertains to make and use the same, reference being had to theaccompanying drawings, forming part of this specification, in whichFigure'l is a rear elevation of a brakebeam embodying the features of myinvention. Fig. 2 is a plan view thereof. Fig' 3 shows a modified formof connection between the strut and the compression member of thebrake-bea1n. Fig. 4 shows still anotherform of connection between theseparts 3 and Figs. 5 to 9, inclusive, show modified forms of brake-heads.

This invention relates to brake-beams, and articularly to that typeknown as trussed BiLIIlS.

The object of my invention is to provide a brake-beam which is light andof simple construction and in which the brake-heads are connected to thebeam in a novel manner.

Referring to the drawings, which represent the preferred form of myinvention, 1 desighates the compression member of the beam whichpreferably consists of an I-beam. The strut 2 is rovided at its innerend with flanges 3, which are connected to the flanges of thecompression member by rivets 4, and at the outer end of said strut is anopenin to receive the tension member 5, which pre erably consists of around rod.

The brake-heads 6 are .rovided at their rear faces with flanges 7, w ichembrace the flanges of the compression member, and adiagonally-extending Web 8 is formed integral with said flanges 7, theends of the compression member being beveled or sheared at an angle tothe body portion thereof, so that said ends will fit snugly in thepockets formed by the flanges 7 and the webs 8 on the rear faces of thebrake-heads. The end portions of the web of the I-beam compressionmember have slots 9, through which the tension member passes, and thewebs 8 on the brakeheads also have openings to receive said tensionmember. Nuts 10 are threaded on the ends of the tension member and bearagainst the outer faces of the webs 8 on the brakeheads which, as hereinshown, extend ap proximately at right angles to the tension member,thereby insuring said brake-heads being securely held in position whenthe nuts 10 are tightened. The flanges 7 on the rear of the brake-headsare strengthened by ribs 11.

In Fig. 3 I have shown a different manner of connecting the strut to theI-beam com pression member, the flanges 3 at the rear end of the strutbeing provided with legs 3, which engage the rear edge of the flanges ofthe I-beam.

Fi 4 shows still another form of connection between the strut andI-beam, the rear end of the strut in this modification being providedwith a yoke 3", which surrounds the I-beam and which has undercutgrooves to receive the edges of the flanges of the beam, a tapered key12 passing through said yoke and enga ing the front edges of the flangesof the I- eam, thereby securely holding said yoke in position.

In Figs. 5, 6, and 8 I have shown modified forms of brakeheads in whichthe flanges 7, that embrace the flanges of the compression member andare formed integral with the web 8, are of slightly-different shape,said flanges being connected at their rear edges by a vertical wall 13,which forms a con tinuation of the web 8. Ribs 14 are provided forbearing against the inner faces of the flanges of the I-beam compressionmember, and a leg 15 projects inwardly from said rear wall and buttsagainst the web of the I-beam.

In Figs. 7 and 9 I have shown still different forms of brake-heads, andin these forms the vertical wall 13 is located adjacent the web of theI-beam compression member and flares outwardly at its upper and lowerends at 13 and merges into the horizontally-extending flanges 7, so thatthe ends of the compression member are inclosed in housings whichconform practically to the shape of one-half of the I-beam.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. A brake-beam comprising a tension member, a strut, a compressionmember having beveled ends which extend approximately at right angles tothe tension member, brake-heads having members projecting from theirrear faces to form pockets to receive the ends of said compressionmember and abut against the beveled ends thereof, and means for securingsaid brake-heads to the brake-beam; substantially as described.

2. A brake-beam comprising a tension member, a strut, a compressionmember having beveled ends which extend approximately at right angles tothe tension member, brake-heads provided on their rear faces withflanges which engage the lower and upper faces of the compression memberand with diagonally-extending webs which bear against the beveled endsof the compression member, and means for securing said brakeheads inoperative position; substantially as described.

3. A brake-beam comprising a tension member, a strut, an I-beamcompression member having its ends cut at an angle and having its webslotted to receive the tension member, brake-heads provided withflanges, webs connecting said flanges and extending approximately atright angles to the tension member, thereby forming pockets in which theends of the compression member fit snugly, openings in said webs throughwhich the tension member passes, and nuts on the ends of said tensionmember and bearing against the webs on the brake-heads; substantially asdescribed.

4. A brake-beam comprising an I-beam compression member, a tensionmember, a

strut, and flanges on said strut for embracing the flanges of theI-beam, the rear end of said flanges being deflected to engage the edgesof the flanges on the I-beam; substantially as described. 4

5. A brake-beam comprising an I beam compression member, a tensionmember, a strut provided at its rear end with a yoke which entirelysurrounds the compression member, and a key passing through the strutand engaging a portion of the compression member, whereb said strut isheld securely in position; su stantially as described.

6. A brake-beam comprising a tension member, a strut, an I-beamcompression member, and brake-heads provided on their rear faces withdiagonally-extending webs which are formed integral withhorizontallyextending flanges connected at their rear edges by avertical Wall, said vertical Walls being provided with legs which engagethe web of the compression member and with ribs for engaging the innerfaces of the flanges of said member; substantially as described.

7. A brake-beam comprising a tension member, a strut, a compressionmember having beveled ends which extend at approximately right angles tothe tension member, and brake-heads applied to the ends of saidcompression member, said brake-heads being provided with housings whichconform to the shape of the I-beam compression member and one wall ofeach housing butting against the end of the .compression member;substantially as described.

In testimony whereof I hereunto afiix my signature, in the presence oftwo witnesses, this 30th day of April, 1906.

EDMOND D. BRONNER.

Witnesses;

W. D. THOMPSON, DAVID M. KERR.

